256098500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{10453}}^1$

素因数の和:10486

約数の個数: 72

約数和(自身を含む): 650698776

約数和(自身を除く): 394600276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1225, 1750, 2450, 3500, 4900, 6125, 10453, 12250, 20906, 24500, 41812, 52265, 73171, 104530, 146342, 209060, 261325, 292684, 365855, 512197, 522650, 731710, 1024394, 1045300, 1306625, 1463420, 1829275, 2048788, 2560985, 2613250, 3658550, 5121970, 5226500, 7317100, 9146375, 10243940, 12804925, 18292750, 25609850, 36585500, 51219700, 64024625, 128049250, 256098500]

約数ペア:

[(1, 256098500), (2, 128049250), (4, 64024625), (5, 51219700), (7, 36585500), (10, 25609850), (14, 18292750), (20, 12804925), (25, 10243940), (28, 9146375), (35, 7317100), (49, 5226500), (50, 5121970), (70, 3658550), (98, 2613250), (100, 2560985), (125, 2048788), (140, 1829275), (175, 1463420), (196, 1306625), (245, 1045300), (250, 1024394), (350, 731710), (490, 522650), (500, 512197), (700, 365855), (875, 292684), (980, 261325), (1225, 209060), (1750, 146342), (2450, 104530), (3500, 73171), (4900, 52265), (6125, 41812), (10453, 24500), (12250, 20906)]